function display_content(div_name, current_name)
	{
		document.getElementById("content1").style.display="none";
		document.getElementById("content2").style.display="none";
		document.getElementById("content3").style.display="none";
		document.getElementById("content4").style.display="none";
		document.getElementById("content5").style.display="none";
		document.getElementById(div_name).style.display="block";
		
		document.getElementById("current1").className='';
		document.getElementById("current2").className='';
		document.getElementById("current3").className='';
		document.getElementById("current4").className='';
		document.getElementById("current5").className='';
		document.getElementById(current_name).className='current';
	}